We construct a unified framework to study credit rationing by the loan size. Due to default risk, the loan offer curve is positive-sloping. At the equilibrium interest rate, increasing the loan size reduces the average cost of the loan, so the borrower always demands a larger loan than that the...

We use a variant of the Hotelling (1929) model to illustrate that, when a firm faces hard payment constraint(s), financially strong rivals may adopt predatory strategies to drive the firm out of the product market and hence to obtain extra profit from enhanced market power later on. Predation is...